Philippines. Department of Tourism. Planning Services. Plans and Programs Division. (1993). Study on regional travel in the Philippines: Household survey on travel patterns of Philippine residents 1993. DOT/AIT.
Citazione stile Chigago Style (17a edizione)Philippines. Department of Tourism. Planning Services. Plans and Programs Division. Study on Regional Travel in the Philippines: Household Survey on Travel Patterns of Philippine Residents 1993. [Quezon City]: DOT/AIT, 1993.
Citatione MLA (9a ed.)Philippines. Department of Tourism. Planning Services. Plans and Programs Division. Study on Regional Travel in the Philippines: Household Survey on Travel Patterns of Philippine Residents 1993. DOT/AIT, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.